Abandoned Outpost

 is one of the locations in Chapter 1 : Blank Slate.

Fiends

 * Dust Mage (Water)
 * Dust Ripper (Wind)
 * Dust Sorcerer (Water)
 * Dust Soldier (Fire)
 * Grudge Shaman (Water)
 * Grudge Fighter (Fire)
 * Grudge Ranger (Wind)